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3 Cards in this Set
- Front
- Back
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Retina blood supply |
Retina has two blood supply sources: -central retina artery -choroidal blood vessels
Choroid has the most blood flow (65-85%) and is vital for the maintenance of the outer retina.(particularly photoreceptors)
Remaining 20-30% flows to the retina through the central retinal artey from the optic nerve head to nourish inner retinal layers. Central retinal artery has 4 main branches.
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Macular |
Macular vessels arise from branches of the superior and inferotemporal arteries. |
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Anterior intraretinal branches supply 3 layers of capillary networks: |
Radial peripapillary capillaries Inner layer of capilaries Outer layer of capillaries |
